Year	% of GDP
1991	32.1293272434145
1992	33.309767064323054
1993	35.24667400736004
1994	40.67177411814371
1995	51.96492172413858
1996	46.42549819147296
1997	49.70741822001808
1998	47.5012475872667
1999	42.13726672532089
2000	40.32511623979705
2001	40.06939313029213
2002	38.34564989905937
2003	38.67246015613437
2004	37.26261275945192
2005	36.94227268444107
2006	35.78404169534347
2007	37.28712880716085
2008	37.51461349225368
2009	35.58986317613235
2010	34.78885947886937
2011	34.61192825035399
2012	34.88255788028625
2013	35.5240411621976
2014	36.80269270471018
2015	37.99723906822793
2016	38.746912313449336
2017	38.854719912582375
2018	38.06473519190894
2019	39.105638413351805
2020	39.55234971062166
2021	39.57700931767772
2022	36.04827373621766
